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Etsuo Maezawa

Nec: 3 patents #4,195 of 14,502Top 30%
Overall (All Time): #1,626,512 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6026066 Beam spot speed detecting system for an optical disk apparatus — 2000-02-15
5844871 Optical disk track counting apparatus and method for improved track access — 1998-12-01
5748584 Optical disk device having a focus offset controller — 1998-05-05

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